Monster High Boo York, Boo York City Schemes Nefera de Nile Doll The Monster High ghouls are heading to Boo York City for the historic passing of the Crystal Comet and a hair-raising gala and monster skull-ebration The drama continues off-stage when things get catty between Nefera de Nile and Catty Noir (sold separately), who battle it out in to-die-for comet-inspired gala outfits Nefera de Nile doll is ready to rule in a dress with golden snake-decorated bodice and metallic signature teal skirt Mummy wrap-inspired teal shoes, a snake-decorated headband, scary cool earrings and teal fingerless gloves are wicked cool A piece of the comet crystal is out of this world!